Spanish Triplete Cooke Cited by user Casisgaal on 16 May 2022 El triplete Cooke es una lente fotográfica diseñada y patentada (número de patente GB 22,607) en 1893 por Harold Dennis Taylor, ingeniero jefe de la compañía T.
English Refracting telescope Cited by user Fotaun on 19 Nov 2019 A refracting telescope (also called a refractor) is a type of optical telescope that uses a lens as its objective to form an image (also referred to a dioptric telescope).
English Cooke triplet Cited by user Fotaun on 19 Nov 2019 The Cooke triplet is a photographic lens designed and patented in 1893 by Dennis Taylor who was employed as chief engineer by T.